# Authenticator App vs Screen Mirroring | TV Air Cast

The clearest difference is ads: Screen Mirroring | TV Air Cast at none against Authenticator App's shown. Authenticator App's advantage is update cadence (every 4 days vs every 5 weeks). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Authenticator App sells 3 in-app purchases, starting at $6.99 per 7 days and Screen Mirroring | TV Air Cast sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Authenticator App against 4.5 for Screen Mirroring | TV Air Cast. Both are backed by a comparable volume of ratings — 17 and 41 respectively.

Authenticator App ships an update every 4 days, Screen Mirroring | TV Air Cast every 5 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Authenticator App | Screen Mirroring | TV Air Cast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (17 ratings)](https://appshunter.io/ios/app/authenticator-app-duoshield/id6467132147/reviews)** | [4.5 (41 ratings)](https://appshunter.io/ios/app/screen-mirroring-tv-air-cast/id6471653835/reviews) |
| Number of ratings | 17 | **41** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 25 MB | 13 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stas Miroshko](https://appshunter.io/developer/1705754274) | [Marion Maldonado](https://appshunter.io/developer/1766530860) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-duoshield/id6467132147)

Secure your online accounts with this comprehensive two-factor authentication tool. It offers features like account organization, customizable icons, secure backups, and Face ID protection. Unlock advanced features like QR code scanning and manual 2FA entry with premium subscriptions.

**Highlights:** Account creation and storage, Customizable account folders, Personalized account icons, Secure data export, Light/dark theme UI settings, Face ID app lock, Cross-device sync and backup

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Duo Step Mobile Authentication | $6.99 | per 7 days |
| 2FA-MFA OTP-TOTP Authenticator | $39.99 | per year |
| Annual purchase premium access | $49.99 | one-time |


### Screen Mirroring | TV Air Cast

[App page](https://appshunter.io/ios/app/screen-mirroring-tv-air-cast/id6471653835)

Easily mirror your iPhone or iPad screen to your TV wirelessly. Stream videos, photos, and presentations in high quality without needing extra hardware or apps on your TV.

**Highlights:** Wireless screen casting, High quality streaming, No TV app installation needed, Stream photos and videos, Cast web videos

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Weekly Trial | $5.99 | per 7 days |
| Monthly | $9.99 | per month |


## Frequently asked questions

### Is Authenticator App free?

Authenticator App is free to download, with in-app purchases available.

### Is Screen Mirroring | TV Air Cast free?

Screen Mirroring | TV Air Cast is free to download, with in-app purchases available.

### Which has better reviews, Authenticator App or Screen Mirroring | TV Air Cast?

Authenticator App is rated higher. Authenticator App averages 4.5 out of 5 from 17 ratings, while Screen Mirroring | TV Air Cast averages 4.5 from 41 ratings.

### Do Authenticator App or Screen Mirroring | TV Air Cast have ads?

Authenticator App shows ads; Screen Mirroring | TV Air Cast does not.

### Which is updated more often, Authenticator App or Screen Mirroring | TV Air Cast?

Authenticator App ships an update every 4 days, and Screen Mirroring | TV Air Cast every 5 weeks. Most recently, Authenticator App was updated on November 3, 2026 and Screen Mirroring | TV Air Cast on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*